19313744

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1693}}^1$

素因数の和:1755

約数の個数: 40

約数和(自身を含む): 40330752

約数和(自身を除く): 21017008

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 124, 184, 248, 368, 496, 713, 1426, 1693, 2852, 3386, 5704, 6772, 11408, 13544, 27088, 38939, 52483, 77878, 104966, 155756, 209932, 311512, 419864, 623024, 839728, 1207109, 2414218, 4828436, 9656872, 19313744]

約数ペア:

[(1, 19313744), (2, 9656872), (4, 4828436), (8, 2414218), (16, 1207109), (23, 839728), (31, 623024), (46, 419864), (62, 311512), (92, 209932), (124, 155756), (184, 104966), (248, 77878), (368, 52483), (496, 38939), (713, 27088), (1426, 13544), (1693, 11408), (2852, 6772), (3386, 5704)]